检索结果-内蒙古大学图书馆

您好，读者！请登录

内蒙古大学图书馆

首页
概况
党建
资源
服务
科研支持
- 论文收录引用证明
- 科技查新
知识产权
档案馆
帮助

咨询与建议

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

您的常用邮箱：*

您的手机号码：*

问题描述：

当前已输入0个字，您还可以输入200个字

全部搜索
期刊论文
图书
学位论文
标准
纸本馆藏
外文资源发现
数据库导航
超星发现

高级检索

时间限定

出版年份：

文献类型

图书期刊文献学位论文多媒体

馆藏选择

电子馆藏纸本馆藏

核心期刊

全部期刊 SCI 收录期刊 SSCI 收录期刊 EI 收录期刊 CSCD 收录期刊 CSSCI 收录期刊

语言

中文英文

文献类型

期刊文献图书学位论文标准纸本馆藏

帮助

文字说明：

T=题名（书名、题名），A=作者（责任者），K=主题词，P=出版物名称，PU=出版社名称，O=机构（作者单位、学位授予单位、专利申请人），L=中图分类号，C=学科分类号，U=全部字段，Y=年（出版发行年、学位年度、标准发布年）

检索规则说明：

AND代表“并且”；OR代表“或者”；NOT代表“不包含”；(注意必须大写,运算符两边需空一格)

检索范例：

范例一：(K=图书馆学 OR K=情报学) AND A=范并思 AND Y=1982-2016
范例二：P=计算机应用与软件 AND (U=C++ OR U=Basic) NOT K=Visual AND Y=2011-2016

分类表

所选分类

>> <<

限定检索结果

文献类型

565 篇 会议
27 篇 期刊文献

馆藏范围

592 篇 电子文献
0 种 纸本馆藏

日期分布

学科分类号

552 篇 工学
- 474 篇 仪器科学与技术
- 76 篇 生物医学工程（可授...
- 57 篇 计算机科学与技术...
- 54 篇 光学工程
- 51 篇 电子科学与技术（可...
- 45 篇 电气工程
- 30 篇 材料科学与工程（可...
- 29 篇 软件工程
- 16 篇 生物工程
- 11 篇 信息与通信工程
- 8 篇 化学工程与技术
- 5 篇 机械工程
- 3 篇 建筑学
- 2 篇 力学（可授工学、理...
- 1 篇 土木工程
- 1 篇 交通运输工程
481 篇 理学
- 475 篇 物理学
- 43 篇 数学
- 34 篇 化学
- 31 篇 生物学
- 4 篇 统计学（可授理学、...
208 篇 医学
- 173 篇 临床医学
- 35 篇 特种医学
- 4 篇 基础医学(可授医学...
- 2 篇 药学(可授医学、理...
- 1 篇 公共卫生与预防医...
- 1 篇 医学技术（可授医学...
2 篇 管理学
- 1 篇 管理科学与工程(可...
- 1 篇 图书情报与档案管...

主题

102 篇 microscopy
61 篇 confocal microsc...
50 篇 fluorescence mic...
39 篇 optical microsco...
28 篇 image processing
26 篇 three-dimensiona...
25 篇 optical coherenc...
20 篇 quantitative pha...
17 篇 adaptive optics
17 篇 fluorescence
15 篇 super-resolution
15 篇 microscopes
15 篇 digital holograp...
15 篇 confocal
15 篇 interference mic...
14 篇 deconvolution
14 篇 digital holograp...
13 篇 3d image process...
13 篇 phase imaging
12 篇 3d microscopy

机构

20 篇 univ memphis dep...
11 篇 northeastern uni...
8 篇 univ valencia de...
8 篇 univ rochester i...
7 篇 texas a&m univ d...
6 篇 univ s alabama p...
6 篇 northeastern uni...
6 篇 johns hopkins un...
6 篇 univ oxford dept...
6 篇 univ s alabama c...
5 篇 univ texas dalla...
5 篇 univ dublin trin...
5 篇 univ s florida d...
5 篇 univ colorado de...
5 篇 univ s alabama c...
4 篇 univ georgia col...
4 篇 univ oxford dept...
4 篇 4d technol corp ...
4 篇 univ colorado de...
4 篇 northeastern uni...

作者

25 篇 dimarzio charles...
21 篇 preza chrysanthe
10 篇 ward e. sally
10 篇 ober raimund j.
9 篇 rajadhyaksha mil...
9 篇 king sharon v.
9 篇 wilson tony
8 篇 cogswell carol j...
7 篇 mccabe em
7 篇 brown thomas g.
7 篇 chao jerry
7 篇 ram sripad
6 篇 kang jin u.
6 篇 rich thomas c.
6 篇 wilson t
6 篇 sierra heidy
6 篇 doblas ana
6 篇 kemper bjoern
6 篇 warger william c...
6 篇 ketelhut steffi

语言

573 篇 英文
19 篇 其他

检索条件"任意字段=Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIII"

共 592 条记录，以下是351-360 订阅

全选清除本页清除全部题录导出标记到"检索档案"

详细简洁

排序：

Modeling of optical quadrature microscopy for imaging mouse embryos

Modeling of optical quadrature microscopy for imaging mouse ...

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： Warger, William C., II DiMarzio, Charles A. Northeastern Univ Dept Elect & Comp Engn Boston MA 02115 USA

ISBN: (纸本)9780819470362

Optical quadrature microscopy (OQM) has been shown to provide the optical path difference through a mouse embryo, and has led to a novel method to count the total number of cells further into development than current non-toxic imaging techniques used in the clinic. The cell counting method has the potential to provide an additional quantitative viability marker for blastocyst transfer during in vitro fertilization. OQM uses a 633 nm laser within a modified Mach-Zehnder interferometer configuration to measure the amplitude and phase of the signal beam that travels through the embryo. Four cameras preceded by multiple beamsplitters record the four interferograms that are used within a reconstruction algorithm to produce an image of the complex electric field amplitude. Here we present a model for the electric field through the primary optical components in the imaging configuration and the reconstruction algorithm to calculate the signal to noise ratio when imaging mouse embryos. The model includes magnitude and phase errors in the individual reference and sample paths, fixed pattern noise, and noise within the laser and detectors. This analysis provides the foundation for determining the imaging limitations of OQM and the basis to optimize the cell counting method in order to introduce additional quantitative viability markers.

关键词： optical quadrature microscopy quantitative phase imaging embryo cell count in vitro fertilization

来源：评论

学校读者我要写书评

暂无评论

Extended focus optical coherence microscopy and fluorescence lifetime imaging - art. no. 68610N

Extended focus optical coherence microscopy and fluorescence...

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： Villiger, Martin Blatter, Cedric Bachmann, Adrian Lasser, Theo Leitgeb, Rainer A. Ecole Polytech Fed Lausanne Lab Opt Biomed CH-1015 Lausanne Switzerland

ISBN: (纸本)9780819470362

Fourier domain Optical coherence microscopy (FDOCM) offers excellent sensitivity and high axial resolution to image the structure of biological tissue. The depth information is extracted in parallel and allows very high volume acquisition rates. The present system uses a diffractionless beam, produced with an axicon lens, to achieve high lateral resolution all while maintaining an extended depth of field (xf). The xfOCM signal reveals the spatial distribution of changes of the refractive index in the sample that scatter the incident light. To identify and validate the functionality of the observed structures can proof difficult. In this work the xfOCM setup was interfaced with a fluorescent lifetime imaging (FLIM) system, working in the Fourier domain and measuring the phase offset between the modulated excitation signal and the returned fluorescence intensity. Both the fluorescence amplitude and lifetime are retrieved. The amplitude contains important information due to the selective labeling of the tissue. The lifetime is very sensitive to the surrounding environment and varies for different fluorophores, adding further contrast. The xfOCM tomograms and FLIM images are acquired in parallel. A complementary view of the sample is obtained that helps to understand and interpret the xfOCM signal. The lifetime measurement provides further contrast to perform functional imaging on biological samples such as the rat hair follicle.

关键词： optical coherence microscopy OCM fluorescence lifetime imaging FLIM Fourier domain extended depth of field axicon

来源：评论

学校读者我要写书评

暂无评论

Full-field quantitative phase imaging

Full-field quantitative phase imaging

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： DiMarzio, Charles A. Northeastern Univ Dept Elect & Comp Engn Dana Res Ctr 440 Boston MA 02115 USA

ISBN: (纸本)9780819470362

Full-field quantitative phase imaging provides useful endogenous contrast in a variety of biological specimens where contrast from other natural sources is small and the use of exogenous materials is undesirable. While the concepts of interferometric microscopy are simple and have long been known, difficulties in implementation have prevented this imaging modality from being exploited to its fullest capability. In recent years, as a result of improvements in lasers and light-delivery systems. cameras, and computational ability., new technologies have been developed to bring this capability within reach of a large number of users. Phase imaging presents some unique issues. For exam le ambiguities between amplitude and phase and ambiguities within a cycle of phase (eg. the cosine is an even function) require two measurements per pixel. Ambiguities in the number of cycles require phase unwrapping. More fundamentally, ambiguity between refractive index and thickness requires multiple views. Furthermore, coherent images tend to contain artifacts caused by multiple reflections from optical components, which require special attention to image processing. They also are more likely than incoherent images to include significant energy at high spatial frequencies. which can interact in complex ways with realistic optical transfer functions and discrete sampling. Different full-field quantitative phase imaging hardware and software are discussed, with attention to the practical limitations imposed by these considerations.

关键词： Phase imaging Signal detection Spatial frequencies microscopy Refraction Cameras Phase measurement Interferometry 3D image processing Epitaxial lateral overgrowth

来源：评论

学校读者我要写书评

暂无评论

Simulation of imaging with a θ line-scanning confocal microscope

Simulation of imaging with a θ line-scanning confocal micro...

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： Simon, Blair DiMarzio, Charles A. Northeastern Univ Dept Elect & Comp Engn Ctr Subsurface Sensing & Imaging Syst Boston MA 02115 USA

ISBN: (纸本)9780819470362

We describe a 2-D computational model of the optical propagation of coherent light from a laser diode within human skin to improve our understanding of the performance of a confocal reflectance theta microscope. The simulation uses finite-difference time-domain (FDTD) computations to solve Maxwell's equations in a synthetic skin model that includes melanin, mitochondria, and nuclei. The theta line-scanning confocal microscope configuration experiences more localized decreases in the signal than the confocal common-path point scanning microscope. We hypothesize that these decreases result. from the bi-static imaging configuration, the imaging geometry, and the inhomogeneity of the index of refraction of the skin. All these factors result in the source path having different aberrations than those of the receive path. Our previous work showed a wide variability on received signals in a realistic tissue model with a small scattering object below the epidermis. Here we present synthetic images in the epidermis to evaluate the effect of various tissue parameters on overall image quality. Additionally, the model shows that correction of low-order aberrations result in an improvement in focus at the image plane. Changes in the model will be used to optimize the design of the theta line-scanning confocal microscope.

关键词： Microscopes Skin Confocal microscopy Finite-difference time-domain method Scattering Computer simulations Light scattering Refraction Tissue optics Tissues

来源：评论

学校读者我要写书评

暂无评论

Aberration free refocusing for high numerical aperture microscopy

Aberration free refocusing for high numerical aperture micro...

引用

three-dimensional and multidimensional microscopy: image acquisition and processing XV

作者： Botcherby, Edward Juškaitis, Rimas Booth, Martin Wilson, Tony University of Oxford Department of Engineering Science Parks Road Oxford OX1 3PJ United Kingdom

ISBN: (纸本)9780819470362

In this paper, we present a novel technique that permits sectioning microscopes to refocus and acquire images from a large range of specimen depths without introducing movements near the specimen. In contrast to other such remote focusing methods, this technique avoids systematic aberrations that degrade image quality when imaging planes away from the optimal focal plane. Furthermore, the specific geometry that is employed in this work enables refocusing to be carried out at high speed and hence permits, for the first time, a number of dynamical biological processes to be observed. Although this technique can be applied to any optical imaging system, it is particularly suited to the case of high numerical aperture microscope systems. To demonstrate this we present results from two prototype systems built in our laboratory based on a slit scanning confocal fluorescence microscope and a two photon fluorescence microscope.

关键词： Microscopes

来源：评论

学校读者我要写书评

暂无评论

Real time autonomous video image registration for endomicroscopy: Fighting the compromises

Real time autonomous video image registration for endomicros...

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： Vercauteren, Tom Meining, Alexander Lacombe, Francois Perchant, Aymeric Mauna Kea Technol 9 Rue Enghien Paris France INRIA Asclepios Res Grp Sophia Antipolis France TUM Klinikum Rechts Isar Munich Germany

ISBN: (纸本)9780819470362

Confocal endomicroscopy provides tools for in vivo imaging of human cell architecture endoscopically. These technologies are a tough challenge since multiple trade-offs have to be overcome: resolution versus field of view, dynamic versus stability, contrast versus low laser power or low contrast agent doses. Many difficult clinical applications, such as lung, bile duct, urethral imaging and NOTES applications, need to optimize miniaturization, resolution, frame rate and contrast agent dose simultaneously. We propose one solution based on real-time video image processing to efficiently address these trade-offs. Dynamic imaging provides a flow of images that we process in real time. images are aligned using efficient algorithms specifically adapted to confocal devices. From the displacement that we find across the images, instantaneous velocities are computed and used to compensate for motion distortions. All images are stitched together onto the same reference space and displayed in real-time to reconstruct an image of the entire surface explored during the clinical procedure. This representation brings both stability and an increased field of view. Moreover, because a given area can be imaged by several frames, the contrast can be improved using temporal adaptive averaging. Such processing enhances the visualization of the video sequence, overcoming most classical trade-offs. The stability and increased field of view help the clinician better focus his attention on his practice which improves the patient benefit. Our tools are currently evaluated in a multicenter clinical trial to assess the improvement of the clinical practice.

关键词： Cellvizio (R) microscopy mosaicing real-time

来源：评论

学校读者我要写书评

暂无评论

Advantages of digital holographic microscopy for real-time full field absolute phase imaging

Advantages of digital holographic microscopy for real-time f...

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： Colomb, Tristan Charriere, Florian Kuehn, Jonas Marquet, Pierre Depeursinge, Christian CHUV Dept Psychiat Ctr Neurosci Psychiat Site Cery CH-1008 Prilly Switzerland Ecole Polytech Fed Lausanne Inst Imaging & Appl Opt CH-1015 Lausanne Switzerland

ISBN: (纸本)9780819470362

Different interferometric techniques were developed last decade to obtain full field, quantitative, and absolute phase imaging, such as phase-shifting, Fourier phase microscopy, Hilbert phase microscopy or digital holographic microscopy (DHM). Although, these techniques are very similar, DHM combines several advantages. In contrast, to phase shifting, DHM is indeed capable of single-shot hologram recording allowing a real-time absolute phase imaging. On the other hand, unlike to Fourier phase or Hilbert phase microscopy, DHM does not require to record in focus images of the specimen on the digital detector (CCD or CMOS camera), because a numerical focalization adjustment can be performed by a numerical wavefront propagation. Consequently, the depth of view of high NA microscope objectives is numerically extended. For example, two different biological cells, floating at different depths in a liquid, can be focalized numerically from the same digital hologram. Moreover, the numerical propagation associated to digital optics and automatic fitting procedures, permits vibrations insensitive full-field phase imaging and the complete compensation for a priori any image distortion or/and phase aberrations introduced for example by imperfections of holders or perfusion chamber. Examples of real-time full field phase images of biological cells have been demonstrated.

关键词： digital holography absolute phase measurement aberration compensation microscopy

来源：评论

学校读者我要写书评

暂无评论

three-dimensional image study on the vascular structure after angiopoietin-1 transduction in isolated mouse pancreatic islets

Three-dimensional image study on the vascular structure afte...

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： He, Jing Su, Dongming Trucco, Massimo Univ Pittsburgh Sch Med Dept Pediat Div ImmunogenetRangos Res Ctr 5th Ave 3460 Pittsburgh PA 15213 USA

ISBN: (纸本)9780819470362

Angiopoletin-1 (Ang-1) is essential for remodeling the primitive vascular plexus during embryonic development and for reducing plasma leakage in inflammation of adult vasculature. However, the role for Ang-1 in maintenance of vascular stability in isolated pancreatic islets is not fully understood. In this study, we compared the difference of vascular morphology between Ang-1 treated (n=5) and control mouse islets (n=5) using both two- and three-dimensional optical image analysis. Isolated mouse islets were transduced with Ang-1 or Lac Z (control) vector at 37 degrees C for 16 hours. Islets were incubated with both rat anti-CD31 antibody and rabbit anti-insulin antibody followed by incubation with Rhodamine-conjugated goat anti-rat IgG and Alexa-488 conjugated goat anti-rabbit IgG. Islets were viewed under a Nikon confocal microscope. Serial optical section images were captured and reconstructed using Nikon EZ-C1 software. Individual two-D and reconstructed three-D images were analyzed using MetaMorph image Analysis software. Islet vascular density was determined. In two-D images, there was no significant difference of vascular density between the two groups. The vascular morphology didn't show any obvious differences in two-D images either. However, in the three-D images, we found higher vascular density and more vascular branches in the Ang-1 transducted islets and vascular dilation in control group. In conclusion, using three-D image analysis, Ang-1 displayed functions in maintenance of vascular stability and in stimulating growth of vascular branches in isolated mouse pancreatic islets. In order to study further the regeneration of different cell contents in the spherical pancreatic islet, three-D image analysis is an effective method to approach this goal.

关键词： pancreatic islet three-D image two-D image 3D-reconstruction Ang-1 vascular structure confocal microscope mouse pancreas diabetics transplantation

来源：评论

学校读者我要写书评

暂无评论

Tomographic observation of transparent objects under coherent illumination and reconstruction by filtered backprojection and Fourier diffraction theorem

Tomographic observation of transparent objects under coheren...

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： Vertu, Stanislas Yamada, Ichiro Delaunay, Jean-Jacques Haeberle, Olivier Univ Tokyo Sch Engn Dept Engn Synth Bunkyo Ku 7-3-1 Hongo Tokyo 1138656 Japan Univ Haute Alsace IUT Mulhouse Lab MIPS F-68093 Mulhouse France

ISBN: (纸本)9780819470362

We report first results in the comparison between filtered backprojection reconstruction and Fourier diffraction theorem reconstruction of transparent spherical samples using a diffractive optical microtomography instrument. A brightfield transmission microscope I was modified to form a Mach-Zehnder interferometer that was used to generate phase-shifted holograms recorded in image plane. Transparent objects mixed with an index matching medium were inserted into a microcapillary and holograms of these objects were taken under different view angles by rotating the microcapillary. Precise rotation of the microcapillary was accomplished by clipping the microcapillary in a precisely machined V-groove, a system that when combined with software correction of the object centre achieved a precision of object positioning on the order of a-micrometer. Tomography of weakly diffracting objects was performed and the observed objects were reconstructed by two methods namely, the filtered backprojection method and the Fourier diffraction method. In the filtered backprojection reconstruction, the 3-D distribution of the refractive index was computed from the tomography of the object phase. In the Fourier diffraction reconstruction, the 3-D distribution of the scattering potential was computed by 3-D Fourier transform of the mapping of the object spatial frequencies. It was confirmed that the Fourier diffraction reconstruction based on the first order Born approximation is limited to small phase changes. In contrast, the backprojection performed well on large phase changes, but dramatically failed to reconstruct diffractive objects by generating reconstruction line artifacts that spread from the diffractive object to other nearby objects. Weakly diffractive polymer beads exhibiting small phase changes were correctly reconstructed by both methods, the Fourier diffraction method giving sharper edges than the filtered backprojection method.

关键词： three-dimensional microscopy coherent tomography holography filtered backprojection phase-shifting diffractive optical tomography reconstruction algorithm

来源：评论

学校读者我要写书评

暂无评论

Resolution in 3D in multifocal plane microscopy

Resolution in 3D in multifocal plane microscopy

引用

Conference on three-dimensional and multidimensional microscopy - image acquisition and processing XV

作者： Chao, Jerry Ram, Sripad Abraham, Anish V. Ward, E. Sally Ober, Raimund J. Univ Texas Dallas Dept Elect Engn Richardson TX 75083 USA Univ Texas Southwestern Med Ctr Dallas Dept Immunol Dallas TX 75390 USA Univ Texas Dallas Dept Comp Sci Richardson TX 75083 USA

ISBN: (纸本)9780819470362

Using single molecule microscopy, biological interactions can be imaged and studied at the level of individual biomolecules. When characterizing an imaged biological interaction, the distance separating the two participating biomolecules can provide valuable information. Therefore, the resolvability of an imaging setup is of practical significance in the analysis of the acquired image data. Importantly, the resolvability of the imaging setup needs evaluation in the 3D context, since in general biomolecules reside in 3D space within the cellular environment. We recently introduced an information-theoretic 2D resolution measure which shows that the resolution limit due to Rayleigh's criterion can be overcome. This new result predicts that the resolution of optical microscopes is not limited, but rather can be improved with increased photon counts detected from the single molecules. The 2D result was subsequently extended to the 3D context, and the proposed information-theoretic 3D resolution measure can readily be used to determine the resolvability of a conventional single focal plane imaging setup. Here, we consider the 3D resolution measure for a multifocal plane microscope setup, an imaging system which allows the concurrent imaging of multiple focal planes within a specimen. The technique is useful in applications such as the tracking of subcellular objects in 3D. By comparing their 3D resolution measures, we find a two-plane setup to outperform a comparable conventional single-plane setup in resolvability over a range of axial locations for the single molecule pair. Moreover, we investigate and compare the impact of noise on the resolvability of the two setups.

关键词： 3D resolution measure Fisher information matrix Cramer-Rao inequality multifocal plane microscopy

来源：评论

学校读者我要写书评

暂无评论

没有更多数据了...

全选清除本页清除全部题录导出标记到“检索档案”

共60页 << < 32 33 34 35 36 37 38 39 40 41 > >>

检索报告对象比较合并检索0

隐藏清空

合并搜索

回到顶部

执行限定条件

内容：

评分：

请选择保存的检索档案：

请选择收藏分类：

订阅名称：

通借通还

温馨提示：

图书名称：

借书校区：

取书校区：

手机号码：

邮箱地址：

一卡通帐号：

电话和邮箱必须正确填写，我们会与您联系确认。

联系人：

所在院系：

联系邮箱：

联系电话：

内蒙古自治区呼和浩特市赛罕区大学西街235号邮编: 010021

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：